<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<link href="//netdna.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
		<!-- 最新版本的 Bootstrap 核心 CSS 文件 -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
	</head>
	<body>
				<a class="btn btn-danger" href="#">
		  <i class="fa fa-trash-o fa-lg"></i> Delete</a>
		<a class="btn btn-default btn-sm" href="#">
		  <i class="fa fa-cog"></i> Settings</a>
		
		<a class="btn btn-lg btn-success" href="#">
		  <i class="fa fa-flag fa-2x pull-left"></i> Font Awesome<br>Version 4.7.0</a>
		
		<div class="btn-group">
		  <a class="btn btn-default" href="#"><i class="fa fa-align-left"></i></a>
		  <a class="btn btn-default" href="#"><i class="fa fa-align-center"></i></a>
		  <a class="btn btn-default" href="#"><i class="fa fa-align-right"></i></a>
		  <a class="btn btn-default" href="#"><i class="fa fa-align-justify"></i></a>
		</div>
		
		<div class="input-group margin-bottom-sm">
		  <span class="input-group-addon"><i class="fa fa-envelope-o fa-fw"></i></span>
		  <input class="form-control" type="text" placeholder="Email address">
		</div>
		<div class="input-group">
		  <span class="input-group-addon"><i class="fa fa-key fa-fw"></i></span>
		  <input class="form-control" type="password" placeholder="Password">
		</div>
		
		<div class="btn-group open">
		  <a class="btn btn-primary" href="#"><i class="fa fa-user fa-fw"></i> User</a>
		  <a class="btn btn-primary dropdown-toggle" data-toggle="dropdown" href="#">
		  <span class="fa fa-caret-down"></span></a>
		  <ul class="dropdown-menu">
		    <li><a href="#"><i class="fa fa-pencil fa-fw"></i> Edit</a></li>
		    <li><a href="#"><i class="fa fa-trash-o fa-fw"></i> Delete</a></li>
		    <li><a href="#"><i class="fa fa-ban fa-fw"></i> Ban</a></li>
		    <li class="divider"></li>
		    <li><a href="#"><i class="i"></i> Make admin</a></li>
		  </ul>
		</div>
	</body>
</html>
